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ecological engineering in aquacultural ponds
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ecological engineering in aquacultural ponds
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池塘生态工程
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ecological engineering in aquacultural ponds
池塘生态工程
在水产池塘养殖过程中,应用生态学原理和各种生态工艺技术,分级多层利用空间、时间及营养生态位的系统工程体系。目的是提高池塘养殖水产品产量和品质。
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geometric nonlinearity
geometric number theory
geometric numerical integration
geometric object
geometric optics
geometric-optics approximation
geometric optics method
geometric order
geometric order structure
geometric orientation
geometric origin
geometric parameters of nozzle
geometric partial differential equation method
geometric path
geometric pattern pottery bottle
geometric perspective
geometric phase
geometric phase analysis
geometric phase effect
geometric point
geometric position
geometric precision
geometric primitive parameter
geometric probability
geometric probability model
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